Лаг1989 задача №3.50
A narrowing tube is mounted in the side wall of a wide open tank (see. Fig.), Through which water flows. The cross-sectional area of the tube decreases from 3.6 cm² to 1.2 cm². The water level in the tank is 4.9 m higher than the level in the tube. Neglecting the viscosity of the water, find the horizontal component of the force F acting on the tube.
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